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Park Highlights

  • Class A Fountainhead Business Park offers tenants thoughtfully curated, efficient, full-floor opportunities with build-out flexibility.
  • Includes a covered patient pickup area, multiple points of ingress and egress, over 1,000 surface spaces, and more than 100 covered spaces.
  • In an affluent hub with quick access to the South Texas Medical Center and well-known retailers, including several restaurants, Starbucks, and H-E-B.
  • Connection to the medical center's power grid provides a resilient power supply, maintaining uninterrupted power during winter freezes.
  • Northwest San Antonio location advantage with direct access to I-10, nearby I-410 and Loop 1604, and 6 miles from San Antonio International Airport.

Park Facts

Total Space Available 57,914 SF
Min. Divisible 13,792 SF
Park Type Office Park

All Available Spaces(2)

Display Rental Rate as

Fountainhead Business Park
4511 Horizon Hill Blvd - Fountainhead I
13,792 - 28,860 SF | $23.00 /SF/YR $1.92 /SF/MO $247.57 /m²/YR $20.63 /m²/MO $26,435 - $55,315 /MO $317,216 - $663,780 /YR | View Building Details
Building Type/Class
Office/A
Year Built/Renovated
1998/2007
Building Size
85,562 SF
Building Height
3 Stories
Typical Floor Size
28,521 SF
Parking
422 Spaces
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 2nd Floor
  • 13,792-28,860 SF
  • Negotiable
  • $23.00 /SF/YR $1.92 /SF/MO $663,780 /YR $55,315 /MO
  • Office/Medical
  • -
  • Now
  • Lease rate does not include utilities, property expenses or building services
  • Fits 35 - 231 People
Space Size Term Rental Rate Space Use Build-Out Available
2nd Floor 13,792-28,860 SF Negotiable $23.00 /SF/YR $1.92 /SF/MO $663,780 /YR $55,315 /MO Office/Medical - Now
Fountainhead Business Park
4511 Horizon Hill Blvd - Fountainhead I
13,792 - 28,860 SF | $23.00 /SF/YR $1.92 /SF/MO $247.57 /m²/YR $20.63 /m²/MO $26,435 - $55,315 /MO $317,216 - $663,780 /YR | View Building Details
Building Type/Class
Office/A
Year Built/Renovated
1998/2007
Building Size
85,562 SF
Building Height
3 Stories
Typical Floor Size
28,521 SF
Parking
422 Spaces

4511 Horizon Hill Blvd - 2nd Floor

Size
13,792-28,860 SF
Term
Negotiable
Rental Rate
$23.00 /SF/YR $1.92 /SF/MO $663,780 /YR $55,315 /MO
Space Use
Office/Medical
Build-Out
-
Available
Now
Fountainhead Business Park
3846 Medical Dr - Building II
29,054 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/B
Year Built/Renovated
1999/2007
Building Size
85,643 SF
Building Height
3 Stories
Typical Floor Size
28,548 SF
Parking
514 Spaces
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 2nd Floor
  • 29,054 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office/Medical
  • -
  • Now
  • Fits 73 - 233 People
Space Size Term Rental Rate Space Use Build-Out Available
2nd Floor 29,054 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office/Medical - Now
Fountainhead Business Park
3846 Medical Dr - Building II
29,054 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/B
Year Built/Renovated
1999/2007
Building Size
85,643 SF
Building Height
3 Stories
Typical Floor Size
28,548 SF
Parking
514 Spaces

3846 Medical Dr - 2nd Floor

Size
29,054 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office/Medical
Build-Out
-
Available
Now

4511 Horizon Hill Blvd - 2nd Floor

Size 13,792-28,860 SF
Term Negotiable
Rental Rate $23.00 /SF/YR
Space Use Office/Medical
Build-Out -
Available Now

  • Lease rate does not include utilities, property expenses or building services
  • Fits 35 - 231 People

3846 Medical Dr - 2nd Floor

Size 29,054 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office/Medical
Build-Out -
Available Now

  • Fits 73 - 233 People

Park Overview

Fountainhead Business Park presents compelling full-floor Class A office and medical office opportunities designed to support today's evolving workplace needs. The park features a covered patient pickup area/entrance, a strong six-per-1,000 parking ratio, dynamic lobby environments with high ceilings and abundant natural light, and flexible floor plans to accommodate a range of tenant requirements. Positioned on the medical center's power grid, Fountainhead Business Park maintained uninterrupted power during the 2021 winter freeze, underscoring its operational reliability. Situated within a landscaped park of Class A office buildings, Fountainhead Business Park offers multiple points of ingress and egress and exceptional regional accessibility. The site is immediately off Interstate 10, approximately 1.5 miles from Interstate 410, and just 6 miles from San Antonio International Airport. Visibility along Interstate 10 provides excellent freeway traffic exposure, and there are more than 28,000 vehicles per day passing the building on Medical Drive and Horizon Hill Boulevard, enhancing the presence of future businesses. Fountainhead Business Park is located within a dense, highly active node with a population of over 602,000 people within a 15-minute drive and an educated workforce. Over 35% of the workforce in this 15-minute drive-time area has obtained a bachelor's or graduate degree. Fountainhead Business Park sits within a five-minute drive of South Texas Medical Center and is surrounded by top-rated retailers. Tenants have a plethora of retail amenities, with over 160 restaurants within a five-minute drive. Retailers, including H-E-B, Whataburger, Starbucks, Walmart Supercenter, and Chick-fil-A, offer everyday convenience and a strong local amenity base.

Park Brochure

Moderately walkable
70/100
Very drivable
80/100
Limited public transit
30/100
Somewhat bikeable
30/100

Nearby Amenities

Hospitals

Methodist Hospital Acute Care 4 min drive 1.6 mi
University Health System Acute Care 5 min drive 1.6 mi
Nix Health Care System Acute Care 6 min drive 2.2 mi
CHRISTUS Santa Rosa Medical Center Acute Care 6 min drive 2.6 mi
Foundation Surgical Hospital of San Antonio Acute Care 8 min drive 4 mi

Restaurants

Beirut Grill Mediterranean $$$ 7 min walk
Mattenga's Pizzeria Pizza $ 14 min walk
Starbucks Cafe $ 14 min walk
Jimmy John's Fast Food $ 16 min walk

Retail

PlainsCapital Bank Bank 8 min walk
FedEx Business/Copy/Postal Services 11 min walk
Lowe’s Home Improvement 13 min walk
State Farm Insurance 14 min walk
7-Eleven Convenience Market 16 min walk

Hotels

Embassy Suites by Hilton
217 rooms
5 min drive
Drury Inn & Suites
209 rooms
5 min drive
Marriott
297 rooms
6 min drive
Westin
326 rooms
5 min drive
Hyatt Place
126 rooms
6 min drive

Leasing Team

Leasing Team

Kelly Ralston, Senior Vice President
Kelly is a Senior Vice President in the Transwestern San Antonio office specializing in Landlord and Tenant representation. She brings an insightful, focused and “client first” skill set to all her office leasing assignments. Her clients are drawn to Kelly’s unyielding drive to assist them in exceeding the goals for their assets, and her competitive drive and attention to detail assures her clients are receiving the absolute best service possible. Kelly also plays a key role in local and regional business development and was recently asked to be a member of Transwestern Women’s Leadership Council, which focuses on promoting and empowering female leaders within the company through their unique skill sets.

Kelly has been an integral team member for the San Antonio Transwestern office, leasing a portfolio that includes two of San Antonio’s premier Class “A” office assets, a single-story Transwestern office development, as well as several suburban office projects throughout the city since joining the firm in 2007. “RESULTS” best describes her work quality as evidenced by recent successes in the San Antonio market; including more than 750,000 SF of office space in the last 24 months and totaling over 3.0 million SF since joining Transwestern. KBS Realty Advisors, Accesso Partners, Shorecliff Investments, Fausset Neely, Woodside Capital Partners, Live Oak Capital, Hartman Investment Group, Gur Parsaad Properties, Killam Oil, Omninet, HEB, Grosvenor, Thompson National Properties, Valencia Capital Management, Chase Merritt, Vista Equities, Khoshbïn Company, as well as private investors, are some of the owners who have benefitted from Kelly’s commitment to exceeding client expectations.
Russell Noll, Executive Managing Director
Russell brings a unique blend of skills to his clients that have been honed over a 30-year career. His focus on results and an unyielding commitment to representing his clients’ best interests are hallmarks of his commercial real estate practice. Russell’s distinctive problem-solving strategies, collaborative spirit and creativity serve individual and corporate clients in the areas of agency leasing, occupier solutions, tenant representation, investment and land sales. Russell’s achievements within Transwestern include service on the Board of Directors, recognition in the 20 Top Producers National Champions Club, and most notably, the Doug Dwyer Servant Leader Award, the highest award presented in Central Texas for providing superior customer service to our clients, teaching and inspiring fellow team members, embodying the Transwestern culture, and being a servant leader.
  • Listing ID: 29270322

  • Date on Market: 7/15/2025

  • Last Updated:

  • Address: 4511 Horizon Hill Blvd, San Antonio, TX 78229

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